OnePlus 9 Pro vs Realme 9i - Detailed Phone Comparison

Detailed Comparison

Specification
OnePlus 9 Pro
OnePlus 9 Pro
Oneplus
Realme 9i
Realme 9i
Realme

General

Launch Date March 30, 2021 January 10, 2022
Release Year 2021 2022

Physical

Volume 104.5 cm³ 104.54 cm³
Screen Size to Weight Ratio 3.4 "/g 3.47 "/g
Weight 197 g 190 g
Height 163.2 mm 164.4 mm
Width 73.6 mm 75.7 mm
Thickness 8.7 mm 8.4 mm
Foldable Design No No
Available Colors
  • Forest Green
  • Morning Mist
  • Stellar Black
  • Black
  • Blue

Display

Screen Size 6.7 " 6.6 "
Resolution 1440 x 3216 1080 x 2412
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 89.9 % 84.2 %
Pixel Density 525 PPI 400 PPI
Refresh Rate 120 Hz 90 Hz
Typical Brightness N/A 480 nits
HBM Brightness N/A N/A
Peak Brightness 1300 nits N/A

Hardware

Battery Capacity per Screen Area 100.25 mAh/in² 114.78 mAh/in²
Battery Density 43.06 mAh/cm³ 47.83 mAh/cm³
Battery Capacity 4500 mAh 5000 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8350 Snapdragon 888 5G (5 nm) Qualcomm SM6225 Snapdragon 680 4G (6 nm)
CPU Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55 Octa-core (4x2.4 GHz Kryo 265 Gold & 4x1.9 GHz Kryo 265 Silver)
GPU Adreno 660 Adreno 610

Connectivity

USB Version 3.1 2.0
OTG Support 1 1
DisplayPort
DisplayPort Version N/A N/A
USB Features USB Type-C 3.1, OTG USB Type-C 2.0, OTG

Software

Operating System Android Android
Initial OS Version 11 11
Maximum OS Version 14 13

Comparison Summary

1. Specifications Comparison

FeatureOnePlus 9 ProRealme 9iPractical Impact
Design
Dimensions163.2 × 73.6 × 8.7 mm164.4 × 75.7 × 8.4 mmRealme 9i is slightly taller and wider, OnePlus 9 Pro is a bit thicker. Overall, minor size differences likely negligible in hand.
Weight197g190gRealme 9i is slightly lighter, which may feel more comfortable for extended holding.
Display
Size6.7"6.6"OnePlus 9 Pro offers a slightly larger viewing area, useful for media consumption and multitasking.
Resolution1440x32161080x2412OnePlus 9 Pro's higher resolution results in much sharper text and images, especially noticeable when viewing high-resolution content.
Pixel Density (PPI)525400Significantly sharper display on the OnePlus 9 Pro, making text and images appear more crisp and detailed.
TechnologyUnknownIPS LCDOnePlus 9 Pro screen tech is unspecified. IPS LCD is a good screen technology with balanced colors.
Refresh Rate120Hz90HzOnePlus 9 Pro offers smoother scrolling and animations, enhancing the user experience, particularly for gaming and UI navigation.
Brightness1300 nits0 nitsOnePlus 9 Pro display will be much more visible under bright sunlight. Realme 9i will struggle.
Performance
ChipsetSnapdragon 888 5G (5 nm)Snapdragon 680 4G (6 nm)OnePlus 9 Pro chipset is significantly more powerful, providing faster app loading, smoother multitasking, and better gaming.
AnTuTu Score877,600216,850Indicates significantly better performance on the OnePlus 9 Pro; the device will perform much better in demanding tasks and games.
GPUAdreno 660Adreno 610The Adreno 660 in the OnePlus 9 Pro offers far superior graphics performance, especially for gaming.
Battery
Capacity4500mAh5000mAhRealme 9i has a larger battery, likely leading to longer battery life for average use, though it's not guaranteed with other power consuming specs.
Charging65W Fast Charging33W Fast ChargingOnePlus 9 Pro charges much faster, reducing downtime.
FeaturesReverse, Wireless, Reverse WirelessNon-removableOnePlus 9 Pro offers more charging flexibility, including wireless and reverse charging.
Camera
Standard Camera48MP (1/1.43" sensor)50MP (1/2.76" sensor)OnePlus 9 Pro has a larger sensor, typically resulting in better low-light performance and dynamic range.
Selfie Camera16MP (f/2.4)16MP (f/2.1)Realme 9i has a slightly wider aperture which allows more light into the camera, potentially improving low light selfies.
Telephoto Lens8MPNot AvailableOnePlus 9 Pro has a telephoto lens for optical zoom, enabling better zoom quality without relying purely on digital zoom.
Wide-Angle Lens50MPNot AvailableOnePlus 9 Pro's wide-angle lens allows for greater field of view, capturing more in each shot.
Macro LensNot Available2MPRealme 9i has a macro lens, enabling very close-up photography.
Black & White Lens2MP2MPComparable Black & White Camera.
Video8K@30fps, 4K@120fps1080p@30fpsOnePlus 9 Pro offers much higher video recording resolution and frame rates with better stabilization, suitable for advanced video needs.
DxOMark122 Mobile ScoreNot AvailableOnePlus 9 Pro's camera performance has been tested and rated, indicating its capabilities.
Camera FeaturesMore featuresFewer featuresOnePlus 9 Pro has more options for photo and video capture, including OIS, manual controls, and RAW output for post-processing.
Software
OSAndroid 11 (Upgradable to 14)Android 11 (Upgradable to 13)OnePlus 9 Pro will have an extra year of OS updates, providing longer software support.
Connectivity
Wi-FiWi-Fi 6Wi-Fi 5OnePlus 9 Pro supports the latest Wi-Fi standard for faster speeds and more reliable connection.
BluetoothBluetooth 5.2Bluetooth 5.0OnePlus 9 Pro has the newer Bluetooth standard with improved features and efficiency.
GPSMore satellite systemsStandard systemsOnePlus 9 Pro offers more accurate and reliable positioning.
SIMDual SIMDual SIMBoth devices support dual SIM functionality.
Storage
Internal Storage128GB/256GB64GB/128GBOnePlus 9 Pro offers more storage options, which are useful for users storing many photos, videos, and large files.
RAM8GB/12GB4GB/6GBOnePlus 9 Pro offers more RAM, allowing for smoother multitasking and improved performance.
ExpandableNoNoNeither phone offers expandable storage, so users are limited to the internal storage options.
Audio
QualityDolby Atmos, Noise CancellationHi-Res AudioOnePlus 9 Pro provides more advanced audio features, potentially better sound quality, clearer calls, and immersive audio with Dolby Atmos.
Security
Featuresbasic fingerprint sensorside-mounted fingerprint sensorRealme 9i has a more convenient side-mounted fingerprint scanner, while OnePlus 9 Pro doesn't specify the location of the scanner.
Build Quality
ProtectionCorning Gorilla Glass 5UnknownOnePlus 9 Pro's screen has better scratch and impact resistance.
SensorsGyroscopeNoneOnePlus 9 Pro's includes a gyroscope sensor, better for gaming.
## 2. Key Differences Analysis

OnePlus 9 Pro Advantages:

  • Superior Performance: Significantly faster processor and GPU resulting in smoother multitasking, quicker app loading, and better gaming performance.
  • High-Quality Display: Higher resolution, higher pixel density, higher refresh rate, and much higher brightness offering a premium visual experience.
  • Advanced Camera System: Telephoto and ultrawide lenses, larger main camera sensor, 8K video recording, and various advanced shooting features for superior photo and video quality.
  • Faster Charging: Much faster wired charging, plus wireless and reverse charging capabilities for more convenient and flexible battery management.
  • More RAM and Storage: Higher RAM and storage options for better multitasking and storing more files.
  • Better Connectivity: Supports the latest Wi-Fi and Bluetooth standards.
  • Enhanced Audio: Dolby Atmos, noise cancellation, and 3 microphones for better audio experience.
  • Gyroscope: Better gaming with the gyroscope sensor.
  • Screen protection: Better protection on the screen.
  • Longer Software Support: One more year of OS updates, ensuring up-to-date features and security for longer.

Realme 9i Advantages:

  • Longer Battery Life: Larger battery capacity for extended use between charges.
  • Macro Lens: Dedicated macro lens for capturing detailed close-up shots.
  • Lower Price: Usually available at a more budget-friendly price.
  • Side-mounted fingerprint: More convenient access to the fingerprint scanner.

Trade-offs:

  • OnePlus 9 Pro: Higher price, heavier.
  • Realme 9i: Significantly less processing power, lower-quality display, basic camera system, slower charging, less RAM and storage, and a less robust build.

3. User Profiles & Recommendations

OnePlus 9 Pro:

  • Ideal User: Tech enthusiasts, heavy smartphone users, photography and videography enthusiasts, mobile gamers, and anyone who needs a high level of performance, good camera quality, and a premium visual experience.
  • Use Cases:
    • Gaming: High-end gaming with demanding graphics.
    • Content Creation: High-resolution video recording and photography for professional use.
    • Multitasking: Seamless switching between resource-intensive apps.
    • Media Consumption: Enjoying high-resolution videos and games.
    • Professional Use: Working on complex projects and accessing heavy files.

Realme 9i:

  • Ideal User: Budget-conscious consumers, everyday users who prioritize battery life, and users who need a basic device for essential tasks.
  • Use Cases:
    • Basic Communication: Calling, texting, and social media.
    • Web Browsing: General web surfing and email checking.
    • Casual Photography: Taking occasional snapshots.
    • Long Battery Life: Extended use without needing frequent recharges.
    • Students and those on tight budgets seeking a reliable phone.

4. Decision Framework

Key Questions for Buyers:

  1. What is your budget? The OnePlus 9 Pro is significantly more expensive.
  2. What will you mainly use the phone for? Gaming, content creation, and professional use vs. basic communication and browsing.
  3. How important is camera quality, display quality, and performance? The OnePlus 9 Pro excels in these areas.

Scenario-Based Recommendations:

  • Scenario 1: High Performance User
    • If you need top-tier performance, gaming capabilities, and camera versatility, the OnePlus 9 Pro is the obvious choice.
  • Scenario 2: Budget-Conscious User
    • If you prioritize affordability and battery life for everyday tasks, the Realme 9i is a more budget-friendly option.
  • Scenario 3: Balance between cost and performance
    • If you want a balance between the two, the OnePlus 9 Pro is still the better choice, but you might consider previous gen or used phones with similar performance to reduce price.

Final Choice

I would choose the OnePlus 9 Pro.

Explanation:

While the Realme 9i offers a lower price point and better battery life, the OnePlus 9 Pro provides a vastly superior user experience in nearly every other aspect. My priorities generally align with a need for high performance, a top-quality display, and an excellent camera system - features that the OnePlus 9 Pro delivers on. The faster processor, much better display and advanced camera system mean the performance of the OnePlus 9 Pro is much more aligned with how I use a phone, and I'm willing to sacrifice better battery life for those benefits.

Additionally, the OnePlus 9 Pro's software support, faster charging, and advanced connectivity would be very valuable to me. I find that I prefer to get a phone that is built to last a few years, and I feel the better features on the OnePlus 9 Pro mean it would last me longer.

Emily Harper
Emily Harper

Technology Insights Specialist

Dedicated technology writer specializing in mobile device analysis and technology communication. Expert at translating complex smartphone features into clear, actionable insights for diverse audiences.

Key Strengths:

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Bridging technical complexity with engaging, accessible narratives.